I would say because when they get older they get bigger and nursing is not enough food for them.
Answer:
The dental assistant should respond by explaining
The advantages and disadvantages of radiations.
That dental X-rays do involve radiation but the exposed levels are so low that they're considered safe for children and adults.
If the dentist uses digital X-rays instead of developing them on film .
reduces risks from radiation exposure are even lower.
Dental radiations are not involved in skin cancers.
It can also be said that the dental assistant are not held responsible for this condition
Explanation:
1. drinking it too much
2. drinking while driving
3. drinking while underage
4. using peer pressure to make you drink it